It's hardly a coincidence that the word "muse" is in "museum!" The Rice Museum aims to inspire and educate visitors, so consider adding it to your schedule.
You'll have no end of sightseeing choices when visiting Langkawi. The Rice Museum is a good place to kick off here, but there are loads of other fine attractions to explore. Langkawi Cable Car, Pantai Cenang Beach, and Cenang Mall are near the museum and and will cap off your day nicely.